Finding the Fourth Proportional to 953,897.94, 1,316,452.57 and 546,128.15
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Solution
The fourth proportional to 953,897.94, 1,316,452.57 and 546,128.15 is: 753,698.87
Step by Step Solution
- Step 1: Write the proportion equation
953,897.94 : 1,316,452.57 = 546,128.15 : x - Step 2: Convert to fraction form
953,897.94/1,316,452.57 = 546,128.15/x - Step 3: Cross multiply
953,897.94x = 1,316,452.57 × 546,128.15 - Step 4: Simplify right side
953,897.94x = 718,951,798,669.26 - Step 5: Solve for x
x = 718,951,798,669.26/953,897.94 - Step 6: Final answer
x = 753,698.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.